Time switch actuating device



Jan. 9, 1940.

B. E. LENEHAN ET AL TIME SWITCH ACTUATING DEVICE Filed Jan. 20, 1938 Fig.3.

INVENTORS Bernard 5. Lene/mn& George w. Ao enberger NEY i/ymzssfs Patented Jan. 9, 1 940 TlME SWITG IJ ao rnnT-md 'nnvlon Zr "Bernard EQ-Lenelianand G.--Wilbur Rosenberger,

-.Bloomfield,fN. -J., assignors to Westinghouse I t r a LElectric v & [Manufacturing Company, East" r I 'lPittsbutgh,Pa acorporation'ofPennsylvania 1ApplicationJanuaryf20; sasg-serial no. 185,898 w 7"Claims.j i(Gl.,74 568)T h v v through a gear train ii'to a; g e ar wheel l secured tor-a rotatable shaft'lZ. A disc M, shown in detail in 'The present invention relates to timing devices, with specific reference to a time-controlled I actuating device for a switch controlling an elec- Figs. 2 and 3, is

tric. circuit} fixedltd -the shaftof the gear wheel Hi to rotate ring through one'leg of said bifurcated portion 5 Devices of the general type disclosed herein therewith, or it may be securedj directly to the 5: are commonly used for controlling electric cir gear-Wheel m; The periphery'ofthedisc M'is cuits atpredetermined times and generally'co'mprovided with'a plurality of notches or recesses prise a clock mechanism or electric timin'gmotor, flig 'ai'i'd one; face of the disc is provided ,with a which, through suitable gearing", operates a circular growers; The notches andthegroove 1'6- switch" actuating device at an adjustable preare u'sedto adj ust'ably and firmlyp-osition an acdetermined time The switch to be actuatedmay tuatingpmember for the 'switch 2; as: hereinafter control'a lighting circuit, or efiect any -desired described. j i

control, 7 i t "'The actuatingdevice itself comprises a mem- *In devices' of this character, however; difliculty' b erorarmdilhaving one end thereof bifurcated f5 has-been encountered in providing an adjustable toprovide' legs 22and 24. The slot between the IE actuating-device;" which while capable of 1 easy legs Hand 24 is of such'width that the-arm'20 adjustment to predeter'mine the time of actuamay be slipped over the edge of the disc [4 at any tion of the switch, must also be sufficiently rugged desired point. and the arm is retained in a 'de-fl to retain its adjusted'mbsition; in spite of visired positionzbymeans of a bolt 25 extending bration-fshockor other mechanical stress. throughthe armlzf with-the lower reducedex It is an object of the present invention to protremity thereoflfitting into the circular slot I8 Vide an adjustable. time controlled actuating deof the disc Hi. It should be obvious that by tightvioe which is capable of ready adjustment and ening down on. the bolt 26, the arm 20 may be which is of such rugged construction that when retained in a desired position radially of the disc.

once set to a predetermined position, it will re: t A switch engaging' pinld ha s one end thereof 25 main in that position under normal conditions, ."extending laterally through the legs 22 and 24,

as well as many abnormal conditions. V and. across thesl'ot between them, in such man Other objects of the invention will be apparent nerthat when the arm 20 is secured in position from the follow ng description h read n 00111 r the portion of the pin within theslot snugly seats junction the company n drawing, i in one of th'enotches It so that there will be 30 which: 4 y no tendency for the arm 20 to rock about the Figure 1 is: a eik View of a time w axis of the bolt 25. The 'oppositeend of the pin v trolled device d a c t be actuated r projects laterallyof thearm 20 in a position to by; l engage the dependin g'arm of the switch 2 to,

2 PS plan Vlew of t m i 1 "efiect atilting, thereof when the wheel l4 brings g tg actuatmg p r Is to be l the pin into engagement with the switch arm. a g fii is g si de view partly in section of the By means of the .co'nstmctiotl disclosed i disc shown in Fig. 2; and W rugged swltch a a i 40 Fig. 4 is a plan view of the actuating device; ga- 3 g n t ftz fi i 9 retammg its 40 Fig. 5' is a View in'el'evation, with parts broken 2 o a Sever? away, of the actuating device in operative po- 6 t Is r.esses P P r c, Smom- 1 c Qu te obviously, modificat ons may be made in Referring more particularly to the drawing, E .constiuctwn i i i g mthm the scgpe 0t theswitch 2 to be controlled is shown by way of t fi i g fi 2 ended g 'i example as a tiltable switch of the mercury type w l O y 8 Scope 9; e appen e M having electrodes at each end thereof connected c k I I to a circuit ll. It'is contemplated that any type 1 f g i gl ggzgfi g a I a m f Switch the purpose'maybe means for rotatably mounting it, an actuating 50" p e j d h 9? 4 be used to control arm having a bifurcated portion proportioned to a f F Q e- Y embrace the edge of the disc with the arm dis A U mcftor 6 used efiect the m 'f p'osed radially of the disc, an arcuate groove in' non of the wl AS Shown the 5 said disc coaxial therewithfand means extend a synchronous electric motor and is connected 55 tuating arm to the disc.

2. In a switch actuating device, a disc, and means for rotatably mounting it, an actuating arm having a bifurcated portion proportioned to embrace the edge of the disc with the arm projecting radially therefrom, means extending through one leg of the bifurcated portion into engagement with a face of the disc for adjustably seeming the arm to the disc, the edge of said disc being serrated, and means carried by said arm in engagement with saidserratededge.

3:. In a switch actuating device, a disc, and

means for rotatably mounting it, an actuating arm having a bifurcated portion proportioned to embrace the edge'of the disc with the arm projecting radially therefrom, means extending through one leg of the bifurcated portion into engagement with a face of the disc for adjustably securing-the arm to the disc, the edge of said disc being notched, and means carried by said arm interfitting with a selected one of said notches.

4. In a switch actuating device, adisc, and means for, rotatably mounting it, an actuating am having a bifurcated portion proportioned to embrace the edge of the disc with the armprojecting radially therefrom, means extending through one leg 'of the bifurcated portion into engagement'with a face of the disc for adjustably securing the arm of to the disc, the edge of said disc being notched, and means carried by said arm interfitting with a selected one of said notches, said means comprising a pin extending through a leg of said bifurcated portion and into the bifurcating slot thereof.

5. In a switch actuating device, a disc, and

means for rotatably mounting it, an actuating arm having a bifurcated portion proportioned to embrace the edge of the disc with' the armprointo said groove for releasably clamping the ac- ,jecting radially therefrom, means extending through one leg of thebifurcated portion into engagement with a face of the disc for adjustably securing the arm, to the disc,- the edge of said disc being notched, and means carried by said arm interfitting with a selected one of said notches, said means comprising a pin extending through a leg of said bifurcated portion and into the bifurcating slot thereof, and having a portion extending beyond said arm. for engaging a member to be actuated.

- 6.r-In-a switch actuating device, a disc, and

means for rotatably mounting it, an actuating arm having a bifurcated portion proportioned :'to embrace theedge of the disc with the arm projecting radially therefrom, means extending through one leg of the bifurcated portion into engagement with a face of the disc for adjustably securing the arm to the disc, th edge of. said disc being notched, and means carried by said arm interfitting with a selected one of said groove insaid element coaxial therewith, means extending through one leg of said bifurcated portion into said groove for releasably clamping the actuating arm to the element, and means carried by said arm interfitting with the serrations on said element.

BERNARD E. LENEHAN. G. WILBUR RO'SENBERGER. 

